Electronic vaping device having pressure sensor

2. The controller of claim 1, wherein the control circuitry is further configured to place the e-vaping device in a sleep mode, the sleep mode being a mode in which the control circuitry disables a pressure sensor of the e-vaping device.

3. The controller of claim 2, wherein the sleep mode is the mode in which the control circuitry reduces a frequency of read requests for the pressure sensor while continuing to check for attachment events.

4. The controller of claim 2, wherein the sleep mode is the mode in which the control circuitry terminates a read request for the pressure sensor.

5. The controller of claim 1, wherein the control circuitry is configured to cause the e-vaping device to count a number of the detected attachment events corresponding to the cartridge section being attached to the power supply and being detached from the power supply.

6. The controller of claim 5, wherein the control circuitry is configured to cause the e-vaping device to select an operation mode from among a plurality of operation modes based on the counted number of the detected attachment events, and operate the e-vaping device according to the selected operation mode.

7. The controller of claim 6, wherein the plurality of operation modes include a plurality of modes based on profiles associated with different operating preferences.

9. The controller of claim 1, wherein the control circuitry is configured to cause the e-vaping device to store the detected attachment events in a storage medium for subsequent data collection.

12. The controller of claim 1, wherein the control circuitry is further configured to control a pressure sensor included in the e-vaping device, wherein the pressure sensor does not compare a differential between an ambient pressure and a non-ambient pressure.

13. The controller of claim 12, wherein the pressure sensor is configured to detect a threshold pressure change based on a current ambient pressure and a baseline pressure.

14. The controller of claim 13, wherein the baseline pressure is a rolling average of previous measurements of ambient pressure.

15. The controller of claim 14, wherein the baseline pressure is determined based on a guard band.

16. The controller of claim 1, wherein the controller is configured to control a microelectromechanical (MEMS) pressure sensor, the MEMS pressure sensor configured to be upstream from a power supply of e-vaping device.

17. The controller of claim 16, wherein the MEMS sensor is configured to be connected to a cathode of a power supply of the e-vaping device by a wire that extends a length of the power supply.

18. The controller of claim 16, wherein the controller is configured to control at least one light emitting diode, the at least one light emitting diode on a same end of the e-vaping device as a MEMS-based pressure sensor.

19. The controller of claim 16, wherein the MEMS pressure sensor and the cartridge detection circuit are on a same printed circuit board.

21. The controller of claim 1, wherein a drain of the MOSFET is directly connected to the base of the BJT.

23. The controller of claim 1, wherein a resistance of the first resistor is the same as a resistance of the second resistor.

24. The controller of claim 1, wherein a resistance of the first resistor is 10 kilo-ohms.